Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 01:06Z

iħ ∂ψ/∂t = Ĥψ

∑_{k=1}^{n} k = n(n+1)/2

168K

11ψ² + 6ψ + 2 = 0

446K

10t² + 5t + 5 = 0

ω = 2πf

144K

det| 7 4 ; 4 8 | = 40

371K

∇ × E = −∂B/∂t

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

det| 8 7 ; 1 9 | = 65

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

\frac{12}{9} \sum_{i=1}^{n} i^{2}

\frac{8}{6} \sum_{i=1}^{n} i^{2}

218K